fastboot set_active command does not exist

fastboot set active slot   Dan fastboot_ error_ failed to identify current slot

slot 參考 adb - fastboot set_active command does n comquestions203124fastboot-set-active-command-does-not-exist 其它

slot fastboot getvar current-slot fastboot getvar all Get active system slot slot fastboot stack trace: Error: failed to set active slot: Error: {error:{code:1,cmd:fastboot --set-active=b},stderr: waiting for any device >

rawhide slot Open a Command Prompt, Terminal, or Powershell and then type the following command – fastboot --set-active=a or fastboot --set-active=b  fastboot commands :- https How to Check and Change Current Active Slot on Android